- Clifford Russell -- Clint Corey
- Clint Daniels -- Clint Osmus & The Bushmills
- Clint Walker -- Clémentine
- Close Kin -- Clyde Hady
- Clyde Lewis -- Coast Ranch Hands
- Cobb -- Cody Gill Band
- Cody Hubach -- Cody Shuler
- Cody Sumpter -- Col. Jim Silvers
- Colby Dee -- Cole Deggs & The Lonesome
- Cole McAllen -- Colette Kavanagh
- Colin Amey -- Colleen Peterson
- Colleen Shanley -- Colorado Bluegrass Music Society
- Colorado Hilbillies -- Colton James
- Coltrain -- Comanchero
- Combo Chameleon -- Common Bond
- Comotion -- Concrete Cowboy Band